Assessing the Homogeneity of Audibility of Pediatric Word and Sentence Corpus in Tamil.

IF 1.4 Q3 OTORHINOLARYNGOLOGY

Journal of Audiology and Otology Pub Date : 2026-01-01 Epub Date: 2026-01-20 DOI:10.7874/jao.2025.00262

Udhayakumar Ravirose, Devi Neelamegarajan

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Abstract

Background and objectives: The aim of this study was to assess the homogeneity of the audibility of word and sentence corpora for use in the development of speech audiometry test tools in Tamil. Materials and.

Methods: A Tamil corpus (675 words and 195 sentences) was compiled from books, magazines, and novels of children aged five to ten years. A female speaker was chosen to record the corpus based on expert ratings. All recorded contents were root mean square-normalized using Adobe Audition 3.0. The recorded material was randomly placed into 27-word lists (25 words/list) and 20-sentence lists for psychometric assessment. Speech perception testing was done at five intensities (0, 10, 20, 30, and 40 dB SL; referenced to pure-tone average) in 20 adults with normal hearing.

Results: Analysis of variance indicated significant differences (p<0.01) in speech perception scores as a function of intensity for all words and sentences. A logistic regression model was fitted to estimate the thresholds (i.e., the intensity level at which 50% scores were obtained) from the curve, which was observed around 10.12 dB SL for the words and 11.77 dB SL for the sentences.

Conclusions: All words and sentences in the pediatric Tamil corpus were observed to be homogenous in audibility. Hence, all words and sentences can be utilized for developing an assessment tool process, as well as in subsequent clinical assessments.

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儿童泰米尔语字句语料库可听性的同质性评估。

背景和目的：本研究的目的是评估单词和句子语料库可听性的同质性，用于开发泰米尔语语音测听测试工具。材料和。方法：选取5 ~ 10岁儿童的书籍、杂志和小说，编制泰米尔语语料库（675个单词，195个句子）。根据专家评分，选择了一位女性演讲者来记录语料库。所有记录内容均采用Adobe Audition 3.0进行均方根归一化处理。将所记录的材料随机分成27个单词（25个单词/列表）和20个句子的列表进行心理测量。对20名听力正常的成年人进行5种强度（0、10、20、30和40 dB SL，参照纯音平均值）的语音感知测试。结论：儿童泰米尔语语料库中所有单词和句子的可听性均具有同质性。因此，所有的单词和句子都可以用于开发评估工具过程，以及随后的临床评估。

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来源期刊

Journal of Audiology and Otology OTORHINOLARYNGOLOGY-

CiteScore

1.90

自引率

9.10%

发文量

期刊介绍： Journal of Audiology and Otology (JAO) (formerly known as Korean Journal of Audiology) aims to publish the most advanced findings for all aspects of the auditory and vestibular system and diseases of the ear using state-of-the-art techniques and analyses. The journal covers recent trends related to the topics of audiology, otology, and neurotology conducted by professionals, with the goal of providing better possible treatment to people of all ages, from infants to the elderly, who suffer from auditory and/or vestibular disorders and thus, improving their quality of life. This journal encourages the submission of review papers about current professional issues, research papers presenting a scientific base and clinical application, and case papers with unique reports or clinical trials. We also invite letters to the editor and papers related to the manufacture and distribution of medical devices. This journal provides integrated views from otologists, audiologists, and other healthcare practitioners, offering readers high quality scientific and clinical information. This peer-reviewed and open access journal has been the official journal of the Korean Audiological Society since 1997 and of both the Korean Audiological Society and the Korean Otological Society since 2017. It is published in English four times a year in January, April, July, and October.